Don’t try to justify it. Jumping Fierce also comes out fast but does good damage and it is also effective ‘in close proximity to the corner’ - Oh I’m sure there may be a scenario once in a blue moon where you regret not using a normal with faster frames but 99% of the time, if you can punish a jump, you want to do exactly that, punish it and using jumping jab… Well, thats just not going to cut it.
No, it’s not. Landing combo’s from Jumping SHOULD be harder because good opponents will stop you from jumping in any chance they can, if they can. Learn the ground game, focus forward dashes, TAP, just plain walking forward into a BnB (Balrogs charge-timing is lenient so no excuses there), footsies into knockdown to get in on wakeup etc etc
Jumpins are one of the least viable of the lot unless you’re fighting a) An opponent with poor AA reaction and/or b) A character with poor AA moves, fullstop - Lastly, it should be abused on characters with absolutely terrible wakeup options.
Unfortunately, no, it’s not - And this is coming from someone who absolutely adores overhead and uses it multiple times per match - A really on point player will neutral jump/throw/block your Overhead and have a field day - You don’t see many great players eating Overheads and thats because a) They have the reaction to cope against it and b) Not many Boxers will risk it because of (A) for good reason. You really can’t be throwing out too many opportunities for opponents to get a moderately easy punish because Balrog himself can struggle to get damage off against people with above reactions and defense to begin with.
Regarding the Dashes - He meant to get out of that mixup range anyway you can. You don’t need to explain how Focus Absorbs work, I think most people here are aware it soaks a hit 
Just take note of the spacing to punish his forward kicks and pokes rather than being in a range where he can throw them out and pepper them with jabs/tick-throws/kara-throws etc, focus dashing is great but Shoto’s can often punish them when used too close to them by normals or fireballs so it’s not always a good option. Naked backdashing or blocking until you are free and just moving away should be considered.
I don’t play many Ken’s and those I do play are often horribad jumpback spammers or mashers (Free) but a sparring partner of mine during an online friendly session suprisingly changed to Ken for a few games - Seems he wants to get a break from Bison and the first few games he scared me because I wasn’t used to how he was playing Ken. Granted, he wasn’t fab with him as he’s learning but he knows how I play so funnily enough I suffered at some of the above problems, myself.
I didn’t ask for critique on it because I’m waiting for him to really get into it and mostly because I can see, for myself, a lot of the garbage I’m doing and bad-habits. Ironically my problems are forward dashing at stupid times, letting them get free from the corner and all manner of things - I’m too used to charging in against people and vs his Bison you need to dictate the pace of the match or he walks all over me - Doesn’t work the same vs Ken. Also, the reason I was using Dash Low Blows so much is because he KNOWS I love to Overhead.
SF4 is about adapting to a Player as much as a Character so we were trying to throw eachother off with different styles and characters. Our Bison/Balrog games are generally split right down the middle.
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(NOTE: I absolutely retardedly abused jumpins in Match 2 because he admitted a lot of his reversals where stuffed or plain didn’t come out due to lag in previous games so he wasn’t AA’ing at ALL - No, I certainly DONT jump that much normally).
As you can see, regarding Overhead, it’s not hard to punish, especially in the corner (Used it twice, neutral jumped the first, threw me out of the second) and no doubt there’s plenty of other mistakes in there for you to check out on my part
Especially relying on EX Specials when I was desperate or ‘pre-emptively’ hoping for fireballs - He doesn’t actually throw that many so it’s off-putting.
Bison Match for Comparison:
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